package com.example.newstudent.service;

import com.example.newstudent.entity.optional_course;
import com.example.newstudent.entity.student;
import com.example.newstudent.entity.user;

import java.util.List;

public interface userService {
    user Login(user user);

    List<student> userSelect();

    void userDelete(student student);

    user updatemessage(user user);

    void addOptional(optional_course optional_course);

    void deleteOptional(String name);

    List<optional_course> optional(String name);
}
